Murhammer, M. W. (1998). A guide to virtual private networks. New Jersey : Prentice Hall.
Dyfyniad Arddull ChicagoMurhammer, Martin W. A Guide to Virtual Private Networks. New Jersey : Prentice Hall, 1998.
Dyfyniad MLAMurhammer, Martin W. A Guide to Virtual Private Networks. New Jersey : Prentice Hall, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.